20679236

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 36879360

約数和(自身を除く): 16200124

約数列:

[1, 2, 4, 97, 194, 223, 239, 388, 446, 478, 892, 956, 21631, 23183, 43262, 46366, 53297, 86524, 92732, 106594, 213188, 5169809, 10339618, 20679236]

約数ペア:

[(1, 20679236), (2, 10339618), (4, 5169809), (97, 213188), (194, 106594), (223, 92732), (239, 86524), (388, 53297), (446, 46366), (478, 43262), (892, 23183), (956, 21631)]